The blade tip eddy in axial fan without external duct is observed and caught during experiment.
实验中观测并捕捉到了无外风筒时轴流通风机内的叶尖涡。
The gas exciting force caused by blade tip clearance may cause rotors unsteady under certain condition.
转子偏心引起的气流激振力在一定条件下可能诱发转子失稳。
Regions of high viscous effects have been found to be located near the shroud rather than the blade tip.
发现高黏度效应区域位于上端壁附近而不是在叶片顶部。
The way to improve total pressure efficiency by appropriate inclined cut of airfoil blade tip was studied.
分析了对后拖式机翼型叶片的叶尖进行适当切割，可以提高全压效率的原因。
Seal coating sprayed is currently used to adjust the gap between the blade tip and engine casing and improve engine efficiency.
采用喷涂封严涂层的方法调整叶片端部与发动机涡轮机壳之间的间隙以提高发动机效率。
The second technique involved using braided solder wick and a soldering iron with a blade tip to remove residual solder from the PCB pad.
第二个技术工艺涉及到使用网状焊料芯吸法及有刀片尖的焊接烙铁来除去PC B焊盘上的残余焊料。
This paper also presents the experimental results of effects of the blade tip clearance and the airfoil shape on the stall flutter boundary.
此外还给出了两种叶尖间隙和两种叶型对失速颤振影响的实验结果。
The calculation method for radial clearance of turbine blade tip considering the effect of temperature and rotational speed is developed in this paper.
给出了考虑温度和转速影响的涡轮叶尖径向间隙的分析计算方法。
The advanced small gasturbines feature small mass flow ratio, short vanes and blades with low aspect, high second flow and blade tip leakage losses, and low efficiency.
先进的小发动机涡轮的流量小，叶片短，展弦比低，二次损失及叶尖漏泄损失大，效率低，温度高冷效差。
The paper introduced typical structure of the close clearance seals for blade tip seals in modern aero-turbine and the research progress of gas film seal for gas turbine.
本文介绍航空燃气轮机转子叶尖“紧间隙”密封的典型结构型式现状，转子内流系统应用气膜密封的有关研究进展。
In this paper, the influence of tip leakage flow on the 3-d viscous flow field is investigated for different blade tip gap shapes under the condition of rotating hub or stationary hub.
本文针对几种不同形态的叶栅顶部间隙，在环壁转动与静止的不同情况下，研究间隙内的泄漏流动对三维粘性流场的影响。
The blade tip crack of the high pressure turbine is repaired by using the laser welding, which can reduce effectively the repair cost and increase the economic effectiveness of the engine repair.
采用激光熔焊方法，修复了高压涡轮工作叶片叶尖裂纹，有效降低了发动机修理成本，提高了发动机修理的经济效益。
Here's an important outdoorsmen tip: When your knife has a handle three times wider than the blade is long, you're not carrying a knife, you're carrying a paperweight.
出门在外，给男人们一个贴士：如果你身上带的瑞士军刀总宽度是刀片实际长度三倍的话，你带的就不是刀了，你带的是镇纸。
Harry seized it by its rubied hilt and touched the tip of the blade to a silver flagon nearby, which did not multiply.
哈利抓住嵌红宝石的剑柄，用剑尖碰了一下旁边的一个银酒壶，它没有复制。
Through analyzing work principle of the wind turbine, a new technique is proposed which USES a method of jet at the blade-tip of wind turbine to enhance the efficiency of wind turbine.
通过对风力机工作原理的分析，提出了一种利用叶尖喷气的方法来提高风力机效率的新型技术。
The real time measuring system of high speed rotating blade vibration, tip timing sensor, pulse signal sampling system and analysis processing of blade vibration signal are researched.
研究了高速旋转叶片振动实时监测系统，叶端定时传感器、传感器脉冲信号采集电路和叶片振动信号的实时分析和处理。
Finally, an important combination parameter was put forward to reflect the overall influence of blade loading and tip clearance distribution on the tip leakage mixing loss.
最后提出一个重要的组合参数，反映了叶片尖部载荷和叶尖间隙的流向分布对叶尖泄漏掺混损失的综合影响。
The influence of blade number, blade thickness, location of splitter blades and tip clearance on mass flow, pressure ratio and efficiency is showed.
讨论了改变叶片数目，增加叶片厚度，调整分流叶片周向位置以及增加间隙高度等对离心叶轮流量、压比和效率等总体性能的影响。
Tip load reduction prop fan blade design would be benefit to lowering the noise level as well as to the prop fan efficiency improvement.
桨扇叶尖区采用卸荷设计有利于降噪及提高效率。
The results of this simulation showed that the maximum temperature appears at the tip of the blade. And the particle velocity will reach the maximum value at the end of the blade finally.
模拟结果表明，叶片出口端部前缘，温度达到最大，颗粒的运动速度也达到最大值。
To distinguish a sword is used for cleaving the armors or not, the most prominent mark is tip of the blade, but not the edge.
要知道一枝刀剑是否针对破甲之用，最主要不是看剑锋刀锋，而是看剑尖刀尖。
Compared with the solidity, the influence of tip loss on five-blade is bigger than three-blade for this model.
对本文模型而言，与实度相比较，叶尖损失对五叶片风轮的影响要大于三叶片风轮。
Picture 11: I grinded the tip of the blade to show the composition of the steel.
我打磨刀片的尖端以显露钢的结构。
Effects of squealer tips on blade aerodynamic performances and tip heat transfer in a gas turbine were investigated.
应用数值方法研究了燃气透平动叶顶部凹槽对动叶气动性能及叶顶传热的影响。
Suppressed by the up passage vortex at upstream side of blade, the intensity and scale of the tip clearance leakage vortex is decreased.
渐缩型间隙在叶片前半轴弦受到上通道涡的抑制，减少了叶顶间隙泄漏涡的强度和范围；
Said spiral blade has a spiral curve extended from the tip of conic body.
另一种是近似圆锥体的母线是向锥体外凸出的曲线。螺旋叶片垂直于锥体表面。
The results show that the tip leakage flow vortex has a great effect on the blade aeroelastical stability and large tip leakage vorticity may restrain blade flutter.
计算结果表明，漏流涡对叶片气弹稳定性影响较大，大涡量的漏流涡能抑制叶片颤振发生。
There is a working procedure of tool tip arc grinding during the laser welding saw blade manufacturing process.
激光焊接锯片生产工艺过程中，有一道刀头磨弧工序。
There are flow separations at the front blade of bulge tip clearance. The high speed area of groove tip clearance increases the secondary flow loss dramatically.
凸型间隙在叶片前缘引起了流动分离，凹型间隙存在一高速区，增加了二次流损失。
There are flow separations at the front blade of bulge tip clearance. The high speed area of groove tip clearance increases the secondary flow loss dramatically.
凸型间隙在叶片前缘引起了流动分离，凹型间隙存在一高速区，增加了二次流损失。
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